CN108443744A - A kind of high irradiation LED solar simulator optical systems - Google Patents
A kind of high irradiation LED solar simulator optical systems Download PDFInfo
- Publication number
- CN108443744A CN108443744A CN201810153079.XA CN201810153079A CN108443744A CN 108443744 A CN108443744 A CN 108443744A CN 201810153079 A CN201810153079 A CN 201810153079A CN 108443744 A CN108443744 A CN 108443744A
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- China
- Prior art keywords
- light source
- led
- solar simulator
- optical systems
- spherical surface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
- F21V29/773—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses a kind of high irradiation LED solar simulator optical systems, including：LED array light source, spherical surface holder, cluster type integrating rod and aspheric collimation lens；It is that the LED array light source that is formed of 15 ° of LED light source module is installed on spherical surface holder by the angle of divergence, space spherical array is carried out to 144 LED light source modules, its radiation flux converges to cluster type integral nose, after cluster type integrating rod mixed light and dodging, it recycles aspheric collimation lens to carry out collimation processing to radiation flux, high irradiance and uniform solar simulation radiation spot is obtained on working face.Have many advantages, such as it is simple in structure, energy-efficient, environmentally protective, in spacecraft ground simulation test, photovoltaic device exploitation, material aging test, agricultural cultivation and health-care medical etc. with widely applying.
Description
Technical field
The invention belongs to optical design techniques fields, are related to a kind of high irradiation LED solar simulator optical systems.
Background technology
Solar simulator is as a kind of important indoor detection and testing equipment, in space flight, Solar use, meteorological section
The fields such as, new material exploitation, agricultural breeding, health care have extensive use.
With the appearance and application of novel semiconductor light-emitting device LED, have using LED as the solar simulator of light source energy saving
Efficiently, environmentally protective, the advantages that controllability is strong, service life is long, becomes the hot spot of various countries' research, emerges in large numbers different types of LED
Solar simulator.
For the optical system of existing LED solar simulators because of its reasons in structure, the efficiency of light energy utilization is low, and output radiation illumination is low；
Although Spectral matching makes moderate progress, the spectrum consistency in radiation spot is to be improved, these deficiencies limit the LED sun
The performance of simulator is improved and is promoted and applied.
Invention content
The object of the present invention is to provide a kind of high irradiation LED solar simulator optical systems, are used for simulated solar light radiation
Feature improves output radiation illumination and radiation spectrum matching.
A kind of high irradiation LED solar simulator optical systems, including：LED array light source 1, spherical surface holder 2, cluster type
Integrating rod 3 and aspheric collimation lens 4；
The spherical surface holder 2 is in dome shape, and LED array light source 1 is vault of the LED light source module array in spherical surface holder 2
In top, Special composition spherical array；
The cluster type integrating rod 3 is made of multiple length cube lens 31；
The aspheric collimation lens 4 are planoconvex spotlight, and convex surface is aspherical；
Cluster type integrating rod 3 is placed on the focal plane of LED array light source 1, then is collimated through aspheric collimation lens 4
Processing；
The LED light source 111 of the LED light source module has carried out secondary optics exploitation, with 15 ° of light radiation angle, uses
In to radiation flux progress shaping；
The LED light source module, totally 144, according to 1, center, first lap 6, the second 12, circle, 18, third circle, the
Four 24, circles, the 5th 24, circle, the 6th 24, circle, the 7th 35, circle are installed on the spherical surface holder 2, Special composition ball
Face array；
The spherical surface holder 2）Radius is 135mm, opening diameter 350mm, is equipped with circular hole, and LED light source 111 is mounted on circle
In hole；
The LED light source module is equipped with radiator 112, is fixed on LED light source 111, spherical surface is fixed on by tunable arrangement
Holder 2；
The cluster type integrating rod 3 is 25 root long cube lens 31, is spliced according to 5 × 5 optical cements, and 25 optical channels are formed；
The aspheric collimation lens 4 are planoconvex spotlight using GS3 silica glass materials, convex surface be it is aspherical, it is aspherical
Coefficient：R=681.5, K=- 0.585367；Aspherical formula：。
The present invention provides a kind of high irradiation LED solar simulator optical systems, including：LED array light source, spherical surface branch
Frame, cluster type integrating rod and aspheric collimation lens；It is the LED array light that 15 ° of LED light source module is formed by the angle of divergence
Source is installed on spherical surface holder, carries out space spherical array to 144 LED light source modules, radiation flux converges to cluster type
Nose is integrated, after cluster type integrating rod mixed light and dodging, aspheric collimation lens is recycled to carry out radiation flux
Collimation processing, obtains high irradiance and uniform solar simulation radiation spot on working face.
The present invention a kind of high irradiation LED solar simulators optical system using the spaces LED spherical array as light source come
The radiation feature of simulated solar has many advantages, such as that efficiency of light energy utilization height, mixed light are abundant；The cluster type integrating rod of addition greatly carries
High uniformity of radiation, makes the radiation gradiant of output become more gentle, preferably improves even light effect；Radiation collimation system
Using monolithic aspheric collimation lens, structure list effectively improves output radiation illumination, and radiancy uniform one is obtained at working face
It causes, the solar simulation hot spot that spectrum is consistent.A kind of high irradiation LED solar simulator optical systems of the present invention have structure letter
The advantages that single, energy-efficient, environmentally protective, efficiently solves the needs of the test of optical mode sun radiomimesis indoors.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of high irradiation LED solar simulator optical system composition schematic diagrams that the embodiment of the present invention one provides；
Fig. 2 is a kind of high irradiation LED solar simulator optical system schematic diagrams of the present invention；
Fig. 3 is spherical surface rack assumption diagram of the present invention；
Fig. 4 is LED light source module of the present invention composition figure；
Fig. 5 is cluster type integrating rod of the present invention composition figure；
Fig. 6 is aspheric collimation lens structure chart of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 1 is a kind of high irradiation LED solar simulator optical system structure schematic diagrames that the embodiment of the present invention one provides.Such as Fig. 1
Shown, a kind of high irradiation intensity LED solar simulators of the present embodiment include：LED array light source 1, spherical surface holder 2, boundling
Formula integrating rod 3 and aspheric collimation lens 4.
Wherein, LED array light source 1 by the angle of divergence be 15 ° 144 wave-length coverages 400~1100nm LED groups
At, be installed on by way of the spherical array of space on the spherical surface holder 2, be used for simulated solar irradiation radiation spectrum, spoke
The radiation features such as degree of penetrating, radiation profiles；
Spherical surface holder 2 converges the radiation flux of LED array light source 1, for installing LED array light source 1 to carry
The radiancy of high simulated solar irradiation；
Cluster type integrating rod light 3 is located at 2 rear end of spherical surface holder, the radiation flux for converging to LED array light source 1 into
Row homogenizes processing, improves the matching of the radiation spectrum and true solar spectrum of simulated solar irradiation；
Aspheric collimation lens 4 are located at 3 rear end of cluster type integrating rod light, are carried out for the radiation flux to simulated solar irradiation
Collimation processing, obtains high irradiance and uniform solar simulation radiation spot on working face.
It is worth noting that a kind of high irradiation LED solar simulator optical systems of the present embodiment, are used for simulated solar irradiation
Radiation feature improves output radiation illumination and radiation spectrum matching.Space spherical surface arrangement is carried out to 144 LED light source modules,
By mixed light and dodging of its radiation flux through cluster type integrating rod, aspheric collimation lens are recycled to be collimated, in work
Make to obtain high irradiance and uniform solar simulation radiation spot on face.With the optical system phase of existing solar simulator
Than a kind of high irradiation LED solar simulator optical systems of the present embodiment are with simple in structure, energy-efficient, environmentally protective etc.
Advantage efficiently solves the needs of the test of simulated solar light radiation indoors.
Fig. 2 is a kind of high irradiation LED solar simulator optical system schematic diagrams provided by Embodiment 2 of the present invention.Such as Fig. 2
It is shown, it is that the LED array light source 1 that is formed of 15 ° of LED light source module is installed on spherical surface holder 2 by the angle of divergence, it is first
Space spherical array first is carried out to 144 LED light source modules, radiation flux converges to 3 front end of cluster type integrating rod, then
After 3 mixed light of cluster type integrating rod and dodging, aspheric collimation lens 4 is recycled to carry out at collimation radiation flux
Reason finally obtains high irradiance and uniform solar simulation radiation spot on working face.
Fig. 3 is the spherical surface rack assumption diagram that the embodiment of the present invention three provides.As shown in figure 3, spherical surface holder 2 uses duralumin
2A12 is material, is in dome shape, radius of a ball 135mm, opening diameter 350mm are machined with the circle of 144 a diameter of 30mm
Hole, for installing LED light source module.
Fig. 4 is the light source module composition figure that the embodiment of the present invention four provides.As shown in figure 4, LED light source module includes：LED
Light source 111, radiator 112；
LED light source 111 is welded on radiator 112.Carry out secondary optics exploitation, with 15 ° of light radiation angle, for pair
Radiation flux carries out shaping；
Radiator 112 is the cube of 22mm × 22mm × 10mm, is positioned under LED light source 111, and one end is plane for cementing
LED light source 111, the other end has multiple Rectangle Fin Radiators, for effectively being radiated to LED light source 111, and with peace
Dress and adjustment threaded hole, for installing and modulating LED light source module.
Fig. 5 is the cluster type integrating rod composition figure that the embodiment of the present invention five provides.As shown in figure 5, cluster type integrating rod 3
It by 25 root long cube lens, is spliced according to 5 × 5 optical cements, forms 25 optical channels, each long cube lens, lens are tool
There is the positive lens of certain curvature.
Fig. 6 is the aspheric collimation lens structure chart that the embodiment of the present invention six provides.As shown in fig. 6, aspherical collimation
Lens arrangement Fig. 4 uses GS3 silica glass materials, is planoconvex spotlight, and convex surface is aspherical, asphericity coefficient：R=681.5, K=-
0.585367；Aspherical formula：.
The present embodiment describes a kind of structure composition and work original of high irradiation LED solar simulator optical systems in detail
Reason.A kind of high irradiation LED solar simulators optical system of the present invention is simulated too using the spaces LED spherical array as light source
The radiation feature of sun has many advantages, such as that efficiency of light energy utilization height, mixed light are abundant；The cluster type integrating rod of addition greatly improves spoke
Uniformity is penetrated, so that the radiation gradiant of output is become more gentle, preferably improves even light effect；Radiation collimation system is using single
Block aspheric collimation lens, it is simple in structure, effectively improve output radiation illumination, obtained at working face radiancy uniformity,
The consistent solar simulation hot spot of spectrum efficiently solves the needs of the test of simulated solar light radiation indoors.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (7)
1. a kind of high irradiation LED solar simulator optical systems, which is characterized in that including：LED array light source（1）, spherical surface holder
（2）, cluster type integrating rod（3）And aspheric collimation lens（4）；
The spherical surface holder（2）In dome shape, LED array light source（1）It is LED light source module array in spherical surface holder（2）Vault
In top, Special composition spherical array；
The cluster type integrating rod（3）By multiple length cube lens（31）Composition；
The aspheric collimation lens（4）For planoconvex spotlight, convex surface is aspherical；
Cluster type integrating rod（3）It is placed on LED array light source（1）Focal plane on, then through aspheric collimation lens（4）It is collimated
Processing.
2. a kind of high irradiation LED solar simulator optical systems according to claim 1, it is characterised in that：The LED
The LED light source of light source module（111）Carried out secondary optics exploitation, with 15 ° of light radiation angle, for radiation flux into
Row shaping.
3. a kind of high irradiation LED solar simulator optical systems according to claim 2, it is characterised in that：The LED
Light source module, totally 144, according to 1, center, first lap 6, the second 12, circle, 18, third circle, the 4th 24, circle, the 5th
24, circle, the 6th 24, circle, the 7th 35, circle are installed on the spherical surface holder（2）On, Special composition spherical array.
4. a kind of high irradiation LED solar simulator optical systems according to claim 3, it is characterised in that：The ball
Face holder（2）Radius is 135mm, opening diameter 350mm, is equipped with circular hole, LED light source（111）In circular hole.
5. a kind of high irradiation LED solar simulator optical systems according to claim 4, it is characterised in that：The LED
Light source module is equipped with radiator（112）, it is fixed on LED light source（111）On, spherical surface holder is fixed on by tunable arrangement（2）.
6. a kind of high irradiation LED solar simulator optical systems according to claim 1,2,3,4 or 5, it is characterised in that：
The cluster type integrating rod（3）For 25 root long cube lens（31）, splice according to 5 × 5 optical cements, form 25 optical channels.
7. a kind of high irradiation LED solar simulator optical systems according to claim 6, it is characterised in that：Described is non-
Spherical surface collimation lens（4）, it is planoconvex spotlight using GS3 silica glass materials, convex surface is aspherical, asphericity coefficient：R=
681.5, K=- 0.585367；Aspherical formula：。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711198025 | 2017-11-27 | ||
| CN2017111980257 | 2017-11-27 |
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| Publication Number | Publication Date |
|---|---|
| CN108443744A true CN108443744A (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810153079.XA Pending CN108443744A (en) | 2017-11-27 | 2018-02-22 | A kind of high irradiation LED solar simulator optical systems |
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| CN204966964U (en) * | 2015-10-10 | 2016-01-13 | 杭州虹视科技有限公司 | White light laser module, laser display system and laser projection system |
| CN105737029A (en) * | 2016-03-25 | 2016-07-06 | 中国科学院工程热物理研究所 | Solar simulator |
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2018
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2699111Y (en) * | 2004-04-14 | 2005-05-11 | 胡晓松 | LED cold light source miner's lamp |
| CN201293911Y (en) * | 2008-11-20 | 2009-08-19 | 天津力伟创科技有限公司 | Miniature projection non-imaging illumination light machine |
| CN102338977A (en) * | 2009-07-22 | 2012-02-01 | 吴小平 | Multicolor pulse light emitting diode (LED) light source and camera prepared by same |
| CN102314053A (en) * | 2010-07-02 | 2012-01-11 | 精工爱普生株式会社 | Projector |
| CN102385232A (en) * | 2010-08-27 | 2012-03-21 | 精工爱普生株式会社 | Illuminator and projector |
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Application publication date: 20180824 |
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